Lev Davidovich Bronstein, better known as Leon Trotsky, was a Russian revolutionary, Soviet politician, and political theorist. Along with Vladimir Lenin, he was a central figure in the October Revolution and the establishment of the Soviet Union. Ideologically a Marxist, Trotsky's writings and thought inspired a school of the ideology known as Trotskyism.
Marie-Esprit-Léon Walras was a French mathematical economist and Georgist. He formulated the marginal theory of value and pioneered the development of general equilibrium theory. Walras is best known for his book Éléments d'économie politique pure, a work that has contributed greatly to the mathematization of economics through the concept of general equilibrium. The definition of the role of the entrepreneur found in it was also taken up and amplified by Joseph Schumpeter.
Leon Wieseltier is an American critic and magazine editor. From 1983 to 2014, he was the literary editor of The New Republic. He was a contributing editor and critic at The Atlantic until 2017, when the magazine fired him following allegations and an admission by Wieseltier of multiple instances of sexual harassment. In 2020, he became the editor of Liberties, a quarterly literary review.
Léon Alfred Fourneau was a French humourist, music-hall artist, playwright and songwriter. Originally trained as a lawyer he invented the stage- and penname Xanrof by inversion of the Latin fornax of his French surname fourneau ("furnace"), before finally legally changing his name to Léon Xanrof. Yvette Guilbert experienced early success singing Xanrof's songs at Rodolphe Salis' cabaret Le Chat Noir.
Léon Zack, also known as Lev Vasilyevich Zak, was a Russian-born French figurative and later abstract painter and sculptor. He has been described as a School of Paris painter.
Reverend Leonard Bacon was an American Congregational preacher and writer. He held the pulpit of the First Church New Haven and was later professor of church history and polity at Yale College.